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Fundamental understanding of the performance and suitability of tool coatings and lubricants at temperatures experienced during scCO2 assisted machining

Supervised by: Dr. Thawhid Khan, Prof. Hassan Ghadbeigi, , , Dr. Rachid M'Saoubi, 

I am doing a PhD/EngD because I want to develop advanced research and problem-solving skills while contributing new knowledge that can make manufacturing more efficient and sustainable, bridging the gap between industry and academia. I enjoy exploring complex technical challenges in depth, and this degree allows me to combine scientific understanding with practical innovation, preparing me for a career where I can drive real improvements in engineering and industry.

The aim of my research is to develop a fundamental understanding of how tool coatings and lubricants perform and interact under the unique thermal, chemical and tribological conditions of supercritical COâ‚‚-assisted machining, in order to optimise machining performance, extend tool life, and promote more sustainable and efficient manufacturing practices.

What’s exciting about my research is that it explores an emerging and sustainable machining technology; supercritical CO₂-assisted machining, which has the potential to replace conventional cooling and lubrication methods. By studying how tool coatings and lubricants behave under these extreme and previously underexplored conditions, my work could reveal new material behaviours, improve process efficiency, and contribute to greener, high-performance manufacturing.

My research will help make manufacturing more sustainable and efficient by improving the understanding of how tool coatings and lubricants perform in supercritical COâ‚‚-assisted machining. This knowledge can lead to the development of cleaner, high-performance machining processes that reduce tool wear, energy use, and reliance on harmful cutting fluids, ultimately supporting the transition toward environmentally friendly and cost-effective manufacturing practices.